Answer:

Step-by-step explanation:
The volume of cone is given by:

where
is the radius of the base and
is the height of the cone.
We need to solve for 
we have 
Multiplying both sides by 3 to remove 
⇒ 
⇒ 
dividing both sides by 
⇒ 
⇒ 
Taking square root both sides:
⇒ 
⇒ 
∴ 
0=x3-3x2
x3-3x2=0
x2•(x-3)=0
x=0
I hope this helps you
9.8.7!-7!
7! (72-1)
7!.71
First you add all of them and then divide by how much numbers you have
Answer: 1025.16666667